/* Variables CSS para Light Mode (por defecto) */
:root {
  --primary-color: #2c3e50;
  --accent-color: #3498db;
  --bg-color: #f8f9fa;
  --text-color: #2c3e50;
  --white: #ffffff;
  --highlight: #ffeaa7;
  --active-word: #74b9ff;
  --border-color: #e1e4e8;
  --shadow-color: rgba(0,0,0,0.1);
  --hover-bg: #f0f0f0;
  --scrollbar-track: #f1f1f1;
  --scrollbar-thumb: #c1c1c1;
}

/* Variables CSS para Dark Mode */
[data-theme="dark"] {
  --primary-color: #ecf0f1;
  --accent-color: #3498db;
  --bg-color: #1a1a1a;
  --text-color: #ecf0f1;
  --white: #2c2c2c;
  --highlight: #6c5ce7;
  --active-word: #74b9ff;
  --border-color: #404040;
  --shadow-color: rgba(0,0,0,0.3);
  --hover-bg: #333333;
  --scrollbar-track: #2c2c2c;
  --scrollbar-thumb: #555555;
}

/* Reset y tipografía base */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  margin: 0;
  padding: 20px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Theme Toggle Button */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--accent-color);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px var(--shadow-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 15px var(--shadow-color);
}

.theme-toggle svg {
  width: 24px;
  height: 24px;
  fill: white;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 15px;
  padding: 10px 0;
}

.header h1 {
  color: var(--primary-color);
  margin: 0;
  font-size: 1.8rem;
  font-weight: 500;
}

.header p {
  margin: 5px 0 0 0;
  font-size: 0.9rem;
  color: var(--text-color);
  opacity: 0.8;
}

/* Contenedor principal */
.main-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.player-container {
  width: 100%;
}

.transcript-container {
  width: 100%;
}

/* Control de tamaño de texto */
.text-size-control {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 15px;
  margin-bottom: 10px;
  box-shadow: 0 2px 8px var(--shadow-color);
  transition: all 0.3s ease;
}

.size-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-color);
  cursor: pointer;
  margin: 0;
}

.icon-text {
  font-weight: 700;
  font-size: 16px;
  color: var(--accent-color);
  min-width: 20px;
  text-align: center;
}

#textSizeSlider {
  flex: 1;
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

#textSizeSlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--accent-color);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

#textSizeSlider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--accent-color);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  border: none;
}

#textSizeSlider:hover::-webkit-slider-thumb {
  transform: scale(1.2);
  background: #2980b9;
}

#textSizeSlider:hover::-moz-range-thumb {
  transform: scale(1.2);
  background: #2980b9;
}

.size-value {
  min-width: 35px;
  text-align: right;
  font-weight: 600;
  color: var(--primary-color);
  font-size: 13px;
}

/* Estilo para el reproductor de video */
#hyperplayer {
  display: block;
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 10px 20px var(--shadow-color);
  border: none;
  aspect-ratio: 16 / 9;
  height: auto;
  background: #000;
  max-height: 40vh;
}

/* Estilo para el contenedor de la transcripción */
#hypertranscript {
  background-color: var(--white);
  border: 1px solid var(--border-color) !important;
  border-radius: 12px;
  padding: 20px !important;
  box-shadow: 0 4px 12px var(--shadow-color);
  font-size: 16px;
  height: 45vh !important;
  overflow-y: auto;
  scroll-behavior: smooth;
  transition: all 0.3s ease;
}

/* Estilización de la barra de desplazamiento */
#hypertranscript::-webkit-scrollbar {
  width: 8px;
}

#hypertranscript::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border-radius: 4px;
}

#hypertranscript::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

#hypertranscript::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}

/* Estilo de los párrafos y palabras */
.hyperaudio-transcript p {
  margin-bottom: 20px;
  text-align: left;
  line-height: 1.8;
}

.hyperaudio-transcript span {
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  transition: all 0.2s ease;
  border-radius: 4px;
}

.hyperaudio-transcript span:hover {
  background-color: var(--hover-bg);
  color: var(--accent-color);
  transform: translateY(-1px);
}

/* Mejoras para las clases activas */
.hyperaudio-transcript .active {
  background-color: rgba(52, 152, 219, 0.1);
  border-radius: 4px;
}

.hyperaudio-transcript .active > .active {
  background-color: var(--highlight) !important;
  color: var(--primary-color) !important;
  text-decoration: none !important;
  font-weight: 600;
  border-bottom: 2px solid var(--accent-color);
  border-radius: 4px;
}

/* Estilo para el popover */
#popover {
  background-color: var(--white) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: 0 5px 15px var(--shadow-color) !important;
  padding: 12px !important;
  border-radius: 8px !important;
  font-family: inherit !important;
  color: var(--text-color) !important;
}

#popover a {
  color: var(--accent-color) !important;
  font-weight: 500;
  text-decoration: none !important;
}

#popover a:hover {
  color: var(--primary-color) !important;
}

/* Diálogo */
dialog#clipboard-dialog {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 10px 25px var(--shadow-color);
  padding: 25px;
  max-width: 500px;
  background: var(--white);
  color: var(--text-color);
}

dialog#clipboard-dialog h3 {
  margin-top: 0;
  color: var(--primary-color);
}

dialog#clipboard-dialog button {
  background-color: var(--accent-color);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s;
}

dialog#clipboard-dialog button:hover {
  background-color: #2980b9;
}

/* Responsive Design */

/* Mobile First - hasta 768px */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }
  
  .header {
    display: none; /* Ocultar completamente el header en móvil */
  }
  
  .theme-toggle {
    width: 40px;
    height: 40px;
    top: auto;
    bottom: 20px;
    right: 20px;
    z-index: 1001;
    pointer-events: auto;
    touch-action: manipulation;
  }
  
  .main-container {
    gap: 15px;
    margin-top: 0; /* Eliminar margen superior al no haber header */
  }
  
  .text-size-control {
    padding: 8px 12px;
    margin-bottom: 8px;
  }
  
  .size-label {
    gap: 8px;
    font-size: 13px;
  }
  
  .icon-text {
    font-size: 14px;
    min-width: 18px;
  }
  
  #textSizeSlider {
    height: 5px;
  }
  
  #textSizeSlider::-webkit-slider-thumb {
    width: 16px;
    height: 16px;
  }
  
  #textSizeSlider::-moz-range-thumb {
    width: 16px;
    height: 16px;
  }
  
  .size-value {
    min-width: 32px;
    font-size: 12px;
  }
  
  #hypertranscript {
    font-size: 14px;
    padding: 15px !important;
    height: 55vh !important; /* Aumentar altura al no haber header */
  }
  
  #hyperplayer {
    max-height: 40vh; /* Aumentar altura del video */
  }
  
  .hyperaudio-transcript p {
    margin-bottom: 12px;
  }
}

/* Tablets - 768px a 1024px */
@media (min-width: 769px) and (max-width: 1024px) {
  .main-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
  }
  
  .player-container {
    grid-column: 1 / 2;
  }
  
  .transcript-container {
    grid-column: 2 / 3;
  }
  
  #hyperplayer {
    max-height: 50vh;
  }
  
  #hypertranscript {
    height: 55vh !important;
    font-size: 15px;
  }
}

/* Desktop - 1025px en adelante */
@media (min-width: 1025px) {
  body {
    padding: 20px;
  }
  
  .header {
    margin-bottom: 15px;
  }
  
  .header h1 {
    font-size: 1.8rem;
  }
  
  .main-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 25px;
    align-items: start;
  }
  
  .player-container {
    grid-column: 1 / 2;
  }
  
  .transcript-container {
    grid-column: 2 / 3;
  }
  
  #hyperplayer {
    max-height: 45vh;
  }
  
  #hypertranscript {
    height: 50vh !important;
    font-size: 16px;
  }
}

/* Large Desktop - 1440px en adelante */
@media (min-width: 1440px) {
  .main-container {
    max-width: 1600px;
  }
  
  #hypertranscript {
    font-size: 17px;
    height: 55vh !important;
  }
  
  #hyperplayer {
    max-height: 50vh;
  }
}

/* Animaciones y transiciones */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.header, .main-container > * {
  animation: fadeIn 0.6s ease-out;
}

/* Focus states para accesibilidad */
.theme-toggle:focus,
.hyperaudio-transcript span:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Mejoras para impresión */
@media print {
  .theme-toggle {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  #hyperplayer {
    display: none;
  }
  
  #hypertranscript {
    height: auto !important;
    overflow: visible !important;
    border: none !important;
    box-shadow: none !important;
  }
}